000
FZNT02 KNHC 152054
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 15 2013
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC THU AUG 15.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 16.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 17.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ERIN NEAR 15.0N 27.5W 1006 MB AT 2100 UTC AUG 15
MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 12 FT WITHIN 15 NM
OVER E SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM ERIN NEAR 16.7N 32.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 20 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E AND WITHIN 30 NM
W SEMICIRCLES WITH SEAS TO 14 FT. 
.48 HOUR FORECAST TROPICAL STORM ERIN NEAR 18.3N 36.3W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E AND WITHIN 60 NM
W SEMICIRCLES WITH SEAS TO 22 FT.  
.72 HOUR FORECAST TROPICAL STORM ERIN NEAR 19.0N 40.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ERIN NEAR 19.5N 44.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM ERIN NEAR 20.0N 49.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST. 
 
.CARIBBEAN FROM 11N TO 18N BETWEEN 68W AND 79W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.
.18 HOUR FORECAST FROM 11N TO 18N BETWEEN 71W AND 84W E TO SE
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 12N TO 17N BETWEEN 75W AND 81W E WINDS
20 KT OR LESS. SEAS TO 8 FT.
.36 HOUR FORECAST S OF 18N W OF 85W SE WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL 
CYCLONE...NEAR 21.5N91W 1008 MB. OVER WATER WITHIN 90 NM OF
CENTER WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
23.5N93.5W 1007 MB. WITHIN 180 NM NE AND WITHIN 120 NM SW 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.